Molar Mass of HgCl2 (Mercuric Chloride)

Molar Mass Calculator
Chemical formula Write symbols with a capital letter: CoCl2 is cobalt chloride, COCl2 is phosgene. A hydrate takes a dot: CuSO4·5H2O or CuSO4.5H2O

What is the molar mass of HgCl2?

Answer

M(HgCl2) =
271.49 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024).

Contribution of each element
Element Atoms, n Atomic weight, A n × A, g/mol Mass fraction, w
Hgmercury1200.59200.59 w ≈ 73.88%
Clchlorine235.4570.90 w ≈ 26.12%
Σ = 271.49 g/mol w = 100%

Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)

Mass fractions of the elements

Cl 26.12%

Related Calculations

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Recalculate with different values ↑

Molar masses of substances nearby

FormulaM, g/mol
Mg₃(PO₄)₂ (magnesium phosphate)262.855
AlBr₃ (aluminum bromide)266.694
PbCO₃ (lead carbonate)267.2
HgCl₂ (mercuric chloride)271.49
Ag₂CO₃ (silver carbonate)275.75
FeSO₄·7H₂O (ferrous sulfate heptahydrate)278.01
PbCl₂ (lead chloride)278.1

FAQ

What is the molar mass of HgCl2?

M(HgCl₂) = 271.49 g/mol

How to calculate the molar mass of HgCl₂?

Add up the atomic weights of all the atoms in the formula: 200.59 + 2 × 35.45 = 271.49 g/mol.

How many grams are in 2 moles of HgCl₂?

m = n × M = 2 mol × 271.49 g/mol = 542.98 g.

See Also